#define AVFILTER_AVFILTER_H
#include "libavutil/avutil.h"
+#include "libavutil/log.h"
#include "libavutil/samplefmt.h"
-
-#define LIBAVFILTER_VERSION_MAJOR 2
-#define LIBAVFILTER_VERSION_MINOR 2
-#define LIBAVFILTER_VERSION_MICRO 0
-
-#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
- LIBAVFILTER_VERSION_MINOR, \
- LIBAVFILTER_VERSION_MICRO)
-#define LIBAVFILTER_VERSION AV_VERSION(LIBAVFILTER_VERSION_MAJOR, \
- LIBAVFILTER_VERSION_MINOR, \
- LIBAVFILTER_VERSION_MICRO)
-#define LIBAVFILTER_BUILD LIBAVFILTER_VERSION_INT
+#include "libavutil/pixfmt.h"
+#include "libavutil/rational.h"
+#include "libavcodec/avcodec.h"
#include <stddef.h>
+#include "libavfilter/version.h"
+
/**
* Return the LIBAVFILTER_VERSION_INT constant.
*/
int format; ///< media format
int w, h; ///< width and height of the allocated buffer
+
+ /**
+ * pointers to the data planes/channels.
+ *
+ * For video, this should simply point to data[].
+ *
+ * For planar audio, each channel has a separate data pointer, and
+ * linesize[0] contains the size of each channel buffer.
+ * For packed audio, there is just one data pointer, and linesize[0]
+ * contains the total size of the buffer for all channels.
+ *
+ * Note: Both data and extended_data will always be set, but for planar
+ * audio with more channels that can fit in data, extended_data must be used
+ * in order to access all channels.
+ */
+ uint8_t **extended_data;
} AVFilterBuffer;
#define AV_PERM_READ 0x01 ///< can read from the buffer
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefAudioProps {
- int64_t channel_layout; ///< channel layout of audio buffer
+ uint64_t channel_layout; ///< channel layout of audio buffer
int nb_samples; ///< number of audio samples
- int size; ///< audio buffer size
- uint32_t sample_rate; ///< audio buffer sample rate
+ int sample_rate; ///< audio buffer sample rate
int planar; ///< audio buffer - planar or packed
} AVFilterBufferRefAudioProps;
AVRational pixel_aspect; ///< pixel aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
+ enum AVPictureType pict_type; ///< picture type of the frame
+ int key_frame; ///< 1 -> keyframe, 0-> not
} AVFilterBufferRefVideoProps;
/**
enum AVMediaType type; ///< media type of buffer data
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
AVFilterBufferRefAudioProps *audio; ///< audio buffer specific properties
+
+ /**
+ * pointers to the data planes/channels.
+ *
+ * For video, this should simply point to data[].
+ *
+ * For planar audio, each channel has a separate data pointer, and
+ * linesize[0] contains the size of each channel buffer.
+ * For packed audio, there is just one data pointer, and linesize[0]
+ * contains the total size of the buffer for all channels.
+ *
+ * Note: Both data and extended_data will always be set, but for planar
+ * audio with more channels that can fit in data, extended_data must be used
+ * in order to access all channels.
+ */
+ uint8_t **extended_data;
} AVFilterBufferRef;
/**
* Copy properties of src to dst, without copying the actual data
*/
-static inline void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
-{
- // copy common properties
- dst->pts = src->pts;
- dst->pos = src->pos;
-
- switch (src->type) {
- case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
- case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
- }
-}
+void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src);
/**
* Add a new reference to a buffer.
* Input audio pads only.
*/
AVFilterBufferRef *(*get_audio_buffer)(AVFilterLink *link, int perms,
- enum AVSampleFormat sample_fmt, int size,
- int64_t channel_layout, int planar);
+ int nb_samples);
/**
* Callback called after the slices of a frame are completely sent. If
/** default handler for config_props() for audio/video outputs */
int avfilter_default_config_output_link(AVFilterLink *link);
-/** default handler for config_props() for audio/video inputs */
-int avfilter_default_config_input_link (AVFilterLink *link);
-
/** default handler for get_video_buffer() for video inputs */
AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link,
int perms, int w, int h);
/** default handler for get_audio_buffer() for audio inputs */
AVFilterBufferRef *avfilter_default_get_audio_buffer(AVFilterLink *link, int perms,
- enum AVSampleFormat sample_fmt, int size,
- int64_t channel_layout, int planar);
+ int nb_samples);
/**
* A helper for query_formats() which sets all links to the same list of
/** get_audio_buffer() handler for filters which simply pass audio along */
AVFilterBufferRef *avfilter_null_get_audio_buffer(AVFilterLink *link, int perms,
- enum AVSampleFormat sample_fmt, int size,
- int64_t channel_layout, int planar);
+ int nb_samples);
/**
* Filter definition. This defines the pads a filter contains, and all the
int h; ///< agreed upon image height
AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
/* These two parameters apply only to audio */
- int64_t channel_layout; ///< channel layout of current buffer (see libavutil/audioconvert.h)
+ uint64_t channel_layout; ///< channel layout of current buffer (see libavutil/audioconvert.h)
+#if FF_API_SAMPLERATE64
int64_t sample_rate; ///< samples per second
+#else
+ int sample_rate; ///< samples per second
+#endif
int format; ///< agreed upon media format
* @param link the output link to the filter from which the buffer will
* be requested
* @param perms the required access permissions
- * @param sample_fmt the format of each sample in the buffer to allocate
- * @param size the buffer size in bytes
- * @param channel_layout the number and type of channels per sample in the buffer to allocate
- * @param planar audio data layout - planar or packed
+ * @param nb_samples the number of samples per channel
* @return A reference to the samples. This must be unreferenced with
* avfilter_unref_buffer when you are finished with it.
*/
AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms,
- enum AVSampleFormat sample_fmt, int size,
- int64_t channel_layout, int planar);
+ int nb_samples);
+
+/**
+ * Create an audio buffer reference wrapped around an already
+ * allocated samples buffer.
+ *
+ * @param data pointers to the samples plane buffers
+ * @param linesize linesize for the samples plane buffers
+ * @param perms the required access permissions
+ * @param nb_samples number of samples per channel
+ * @param sample_fmt the format of each sample in the buffer to allocate
+ * @param channel_layout the channel layout of the buffer
+ */
+AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data,
+ int linesize,
+ int perms,
+ int nb_samples,
+ enum AVSampleFormat sample_fmt,
+ uint64_t channel_layout);
/**
* Request an input frame from the filter at the other end of the link.
int avfilter_poll_frame(AVFilterLink *link);
/**
- * Notifie the next filter of the start of a frame.
+ * Notify the next filter of the start of a frame.
*
* @param link the output link the frame will be sent over
* @param picref A reference to the frame about to be sent. The data for this
&f->output_pads, &f->outputs, p);
}
-#endif /* AVFILTER_AVFILTER_H */
+/**
+ * Copy the frame properties of src to dst, without copying the actual
+ * image data.
+ *
+ * @return 0 on success, a negative number on error.
+ */
+int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
+
+/**
+ * Copy the frame properties and data pointers of src to dst, without copying
+ * the actual data.
+ *
+ * @return 0 on success, a negative number on error.
+ */
+int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
+
+#endif /* AVFILTER_AVFILTER_H */
projects / ffmpeg / blobdiff